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Old 08-15-2010, 11:56 PM   #1
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Rhythmic buzzing behind instrument panel

I am about to embark on locating a rhythmic buzzing behind the instrument cluster area. It sounds like a relay or buzzer and pulses about every two seconds while moving. It has been there for a while, but has gotten very annoying at less than highway speed. Any thoughts on what it could be? Doesn't seem to be there when stopped.
Thanks in advance
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Old 08-16-2010, 01:11 AM   #2
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When I had my 2000 Alpine, I had a noise similar to that. It turned out to be the electric vacuum pump that controls the vacuum control for the door for the heating/ac on the passenger side. The door was stuck open. To check to see if the pump is not shutting off, open the gen slide, look above to the left of the fuel cap, up and under the fiberglass and you will see small pump with wires and small vacuum hose. Try disconnecting the wire and see if your noise goes away. I could hear the pump not shutting off. All I did to fix it was to lube the hinge on the door on the passenger side and worked it back and forth few times and everything worked fine.
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Old 08-16-2010, 06:06 AM   #3
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Had the same problem with my 1999 and it was a leak. Fixed that and all was well.
BTW, even when all's well, when running the system you will probably hear the same noise from time-to-time.
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Old 08-16-2010, 10:11 PM   #4
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When I had my 2000 Alpine, I had a noise similar to that. It turned out to be the electric vacuum pump that controls the vacuum control for the door for the heating/ac on the passenger side. The door was stuck open. To check to see if the pump is not shutting off, open the gen slide, look above to the left of the fuel cap, up and under the fiberglass and you will see small pump with wires and small vacuum hose. Try disconnecting the wire and see if your noise goes away. I could hear the pump not shutting off. All I did to fix it was to lube the hinge on the door on the passenger side and worked it back and forth few times and everything worked fine.
I looked at the location of the pump and I think that may be it. I am hitting the road again in the morning so I will do some testing then.
Thanks
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Old 08-16-2010, 10:14 PM   #5
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Had the same problem with my 1999 and it was a leak. Fixed that and all was well.
BTW, even when all's well, when running the system you will probably hear the same noise from time-to-time.
Thanks, will check it. I noticed the dolphins, submariner? USS John C. Calhoun, Gold Crew.
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Old 08-16-2010, 10:48 PM   #6
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Had the same problem with mine. There was a short piece of 1/4" rubber vacuum hose connecting a metal elbow to the main line for some reason and that short piece of hose is notorious for breaking on Winnies from what I've read.
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Old 08-18-2010, 07:11 AM   #7
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Yep. A Submariner. An old one too. DBF !
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Old 08-27-2010, 12:18 AM   #8
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Hardylook - are you at high altitude? If so the thing will run almost consistantly. If not, then the other folks have it right on.

When were you on the Calhoun? I was in Holy Lock, Scotland from 74 to late 78, we might have crossed paths. Was on CSS-14 Staff.
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Old 08-28-2010, 12:22 AM   #9
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Hardylook - are you at high altitude? If so the thing will run almost consistantly. If not, then the other folks have it right on.

When were you on the Calhoun? I was in Holy Lock, Scotland from 74 to late 78, we might have crossed paths. Was on CSS-14 Staff.
I was at sea level. There was a loose vacuum line.

I was there from 70 to 73. Funny thing about the Boomers though, I used to work for Ingersoll Rand. We hired a guy from Denver that looked familiar and he thought I looked familiar too. One day I told him I had been a submariner, he said he had too. Asked what boat, Calhoun he replied. I asked when, turned out we were together his last month in the Navy. I had just gotten to the boat and we were in Mare Island undergoing a major refit. I was living on the barge and he was living on the beach and doing his separation routine, so we really didn't have a chance to get to know each other at all. He went to the decomissioning party down in Florida. Real big deal, Tom Clancy was there etc, etc. I was working up at Bremerton when they cut her up, managed to get a piece of the hull.

EM1(SS) (Nuclear)
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Old 08-28-2010, 01:22 AM   #10
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Wow, what a wonderful prize to have. Way off topic here, but when the USS New Jersey (BB-62) came to Portland, OR for the Rose Festival in the early 80's. I went down and stood in line to go aboard, since my dad had been aboard as a chief. The tours ended, but I went up to the security guard and begged my case. He took me up to see a chief aboard, who took us around and showed us the ship. I even got a ships cup from him. I still have the cup and have never even put coffee in it. Now that was something to see. We also saw and went aboard the Missouri when we were in Hawaii, and the USS Bowfin there is also something to see, inside a lot bigger than you think. glad you fixed that leaking vacuum hose. Guess I need to figure out where it is, since it seems to be a problem some have.
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Old 08-28-2010, 05:25 AM   #11
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Ah, you Nukes will always be sucking air.
Back in my "Smoke Boat" days we didn't have much to play around with.

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Old 08-28-2010, 07:02 PM   #12
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Bob, sorry about the Thresher, I remember the sub and when she went down, wow lots of old folks here. I was just a kid, not even in High School then. I also assume you were on the recommissioning or decommissioning for the Mighty MO when you were aboard. She did a stint or two in Vietnam, scared the NV to death when those 16" went overhead, they knew something was toast. When we saw her in Hawaii, you could still see where the Kamikaze plane hit her.
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Old 08-29-2010, 08:03 AM   #13
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Hi Monty,

Thresher was a good boat and as a kid only being on her for a few exchange rides, I was mighty impressed with her.

I was on Mo before she was re-commissioned for 'Nam but remember looking through the barrel from the breech. Seemed like they went on forever and were a tunnel to space.

Yep, I'm getting old, which sure beats the alternative.
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Old 09-05-2010, 10:10 PM   #14
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Hi Monty,

Thresher was a good boat and as a kid only being on her for a few exchange rides, I was mighty impressed with her.

I was on Mo before she was re-commissioned for 'Nam but remember looking through the barrel from the breech. Seemed like they went on forever and were a tunnel to space.

Yep, I'm getting old, which sure beats the alternative.
Thresher was a big topic when I went through Sub School. I made it on board the Mo when she was mothballed at Bremerton after 'Nam. I was working for IR and on base for about 18 months everyday. Got to know a BM Chief that was in charge of security inspections at the mothball facility. He gave me a pretty good tour of the below decks. Pretty impressive, especially compared to the boats, even the boomer I was on. Oh by the way, we nucs may "suck air" but at least we could shower with fresh water every day. It was a different world from the Diesels, but still in the same universe (actually the fast attacks weren't much bigger than the later Fleet Boats)
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